Use IEEE 1588 hwstamp
configname: CONFIG_BFIN_MAC_USE_HWSTAMP
Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>Use IEEE 1588 hwstamp
In linux kernel since version 2.6.35 (release Date: 2010-08-01)
To support the IEEE 1588 Precision Time Protocol (PTP), select y here